

fn main()
{
    let mut vector = vec![1, 2, 4, 8];

    vector.push(11);
    vector.push(121);
    vector.pop();
    
    println!("{:?}", vector);
    
    let mut str = "test str".to_string();
    
    str.push_str(" push");

    println!("{}", str);
    

}

